Solve the problem.A formula for the focal length of a lens is f = . Calculate f (the focal length) for a = 14 cm and  Round to the nearest tenth.

A. 6.7 cm
B. 6.5 cm
C. 7.3 cm
D. 7.0 cm


Answer: A

Mathematics

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A. 1335 B. 1335 C. 0735 D. 0135

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Subtract. Simplify, if possible.20 - 18

A. 20
B. 2
C. 2
D. 2

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Graph the polynomial function. f(x) = x3 + 9x2 - x - 9

A.
B.
C.
D.

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Determine whether the given function is even, odd, or neither.f(x) = -2

A. Even B. Odd C. Neither

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